Cheap Flights from San Francisco (SFO) to Hanoi (HAN) from HK$2,874~

View HK$2,874 flight on Mon, 6 Oct 2025Opens in a new window

Popular airlines from San Francisco Intl. Airport (SFO) to Noi Bai Intl. Airport (HAN)

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Find Cheap Flights from San Francisco (SFO) to Hanoi (HAN)

Prices were available within the past 7 days and start at HK$2,874 for one-way flights and HK$5,495 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Korean Air
Tue, 21 Oct - Tue, 28 Oct
SFO
San Francisco
HAN
Hanoi
HK$5,495 Return, found 4 days ago
HK$5,495
Return
found 4 days ago
Select Korean Air flight, departing Tue, 21 Oct from San Francisco to Hanoi, returning Tue, 28 Oct, priced at HK$5,495 found 4 days ago
Asiana Airlines
Tue, 21 Oct - Tue, 28 Oct
SFO
San Francisco
HAN
Hanoi
HK$5,495 Return, found 4 days ago
HK$5,495
Return
found 4 days ago
Select Asiana Airlines flight, departing Tue, 21 Oct from San Francisco to Hanoi, returning Tue, 28 Oct, priced at HK$5,495 found 4 days ago
Korean Air
Tue, 21 Oct - Tue, 28 Oct
SFO
San Francisco
HAN
Hanoi
HK$5,545 Return, found 4 days ago
HK$5,545
Return
found 4 days ago
Select Korean Air flight, departing Tue, 21 Oct from San Francisco to Hanoi, returning Tue, 28 Oct, priced at HK$5,545 found 4 days ago
Korean Air
Mon, 20 Oct - Tue, 28 Oct
SFO
San Francisco
HAN
Hanoi
HK$5,605 Return, found 4 days ago
HK$5,605
Return
found 4 days ago
Select Korean Air flight, departing Mon, 20 Oct from San Francisco to Hanoi, returning Tue, 28 Oct, priced at HK$5,605 found 4 days ago
Philippine Airlines
Tue, 21 Oct - Tue, 28 Oct
SFO
San Francisco
HAN
Hanoi
HK$5,641 Return, found 4 days ago
HK$5,641
Return
found 4 days ago
Select Philippine Airlines flight, departing Tue, 21 Oct from San Francisco to Hanoi, returning Tue, 28 Oct, priced at HK$5,641 found 4 days ago
Asiana Airlines
Sun, 17 Aug - Sat, 30 Aug
SFO
San Francisco
HAN
Hanoi
HK$5,660 Return, found 4 days ago
HK$5,660
Return
found 4 days ago
Select Asiana Airlines flight, departing Sun, 17 Aug from San Francisco to Hanoi, returning Sat, 30 Aug, priced at HK$5,660 found 4 days ago
All Nippon Airways
Tue, 21 Oct - Tue, 28 Oct
SFO
San Francisco
HAN
Hanoi
HK$5,685 Return, found 4 days ago
HK$5,685
Return
found 4 days ago
Select All Nippon Airways flight, departing Tue, 21 Oct from San Francisco to Hanoi, returning Tue, 28 Oct, priced at HK$5,685 found 4 days ago
All Nippon Airways
Tue, 21 Oct - Tue, 28 Oct
SFO
San Francisco
HAN
Hanoi
HK$5,811 Return, found 4 days ago
HK$5,811
Return
found 4 days ago
Select All Nippon Airways flight, departing Tue, 21 Oct from San Francisco to Hanoi, returning Tue, 28 Oct, priced at HK$5,811 found 4 days ago
Cathay Pacific
Tue, 21 Oct - Tue, 28 Oct
SFO
San Francisco
HAN
Hanoi
HK$6,017 Return, found 4 days ago
HK$6,017
Return
found 4 days ago
Select Cathay Pacific flight, departing Tue, 21 Oct from San Francisco to Hanoi, returning Tue, 28 Oct, priced at HK$6,017 found 4 days ago
United
Tue, 21 Oct - Tue, 28 Oct
SFO
San Francisco
HAN
Hanoi
HK$6,289 Return, found 4 days ago
HK$6,289
Return
found 4 days ago
Select United flight, departing Tue, 21 Oct from San Francisco to Hanoi, returning Tue, 28 Oct, priced at HK$6,289 found 4 days ago

Find the cheapest month to fly from San Francisco (SFO) to Hanoi (HAN)

January is typically the cheapest month to fly

From HK$4,949 - HK$11,109 per traveller.

Graph displaying average flight prices per month

San Francisco to Hanoi route information
Origin airport
San Francisco Intl.
Destination airport
Noi Bai Intl.
Return price
HK$5,495
Distance
11689 km

Flights from San Francisco to Hanoi

Book cheap flights from San Francisco (SFO) to Hanoi (HAN) on Expedia.com.hk. Find the best flight deals to destinations around the world for your next leisure or business travel on Expedia.com.hk.

Search for flights from San Francisco (SFO) to Hanoi (HAN) to find great flight deals suitable to your travel date and time. Expedia.com.hk flight booking search engine is simple to use and looking for cheap flights is as easy as a click of a mouse or on your mobile devices.

Be assured that you’re seeing the best price guaranteed! Our friendly customer service representatives are here to serve you 24 hours day to provide assistance and answer any questions that you may have about booking your San Francisco (SFO) to Hanoi (HAN) trip. Call us at 3077-4857 (direct number - 24 hours day for English).

Save more when combine your Hanoi flight with a hotel for a package deal! Discover additional savings by booking in advance. Now you can find activities in Hanoi and things to do in Hanoi for your perfect vacation with Expedia Thing to Do.

If you would like to book flights to Hanoi more flexibly, many prefer to purchase one-way tickets with options to take different airlines. A one way ticket to Hanoi is HK$2,874 now!

 

Frequently asked questions

How much is a flight from SFO to HAN?
Based on airfares available within the last 7 days on Expedia for flights departing within the next year, round-trip flights between San Francisco Airport and HAN start from HK$5,495. Book ASAP to score the best price for your adventure. Prices and availability are subject to change. Additional terms apply.
Do I need to pay a cancellation fee if I cancel my flight from SFO to HAN?
Every airline has a different set of terms and conditions. If you decide to cancel your trip, visit our Customer Service Portal.
How do I find cheap flights from SFO to Hanoi Intl. Airport that have flexible change policies?
Many airlines offer the option to reschedule your flight without a change fee. All you pay is the difference between the original flight and the new flight. When you're searching for San Francisco Intl. Airport (SFO) to Hanoi Intl. Airport flights, you'll see a "no change fees" filter for you to select.
How many hours is the flight from San Francisco Airport to HAN?
To comfortably while away the 19 hours and 2 minutes flight time between SFO (SFO) and Noi Bai Intl. Airport (HAN) (HAN), it's wise to have a plan. A smartphone filled with your favorite movies is a wonderful start.
How far is the flight from San Francisco Intl. Airport (SFO) to HAN?
With a flight distance of 11,800 kilometers between San Francisco Intl. Airport (SFO) and Hanoi Intl. Airport, this is a long-haul trip. Ensure that you stay hydrated and go for a short walk down the aisle every so often.
Which airlines fly direct from San Francisco Airport to Hanoi Intl. Airport?
You won't find any airlines flying directly between SFO and Hanoi Intl. Airport, so be ready to make at least one stop on your journey. A layover, whether short or long, can be a good way to break up a trip!
Are San Francisco Airport to Hanoi Intl. Airport flight tickets cheaper when they're purchased at the last minute?
It is possible to nab amazing last-minute deals from San Francisco Intl. Airport (SFO) to Hanoi Intl. Airport, but it's also possible to miss out altogether! As many airlines advertise prices up to 12 months in advance, it's worthwhile keeping an eye on fares early and being ready to book when you spot a good bargain. Expedia compares carrier prices and updates flight deals all the time, so you can be certain you're always seeing the latest offers.

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